Beverage delivering apparatus



Nov. 19, 1935.

M. LOUIS BEVERAGE DELIVERING APPARATUS Filed Sept. 6, 1953 2 Sheets-Sheet 1 Filed Sept.= 6, 1955 2 Sheets-Sheet 2 Patented Nov. 19, 1935 UNITED STATES BEVERAGE DELIVERING APPARATUS Martin Louis, Essen, Germany, assignor to Fried. Krupp Aktiengesellschaft, Essen-on-the-Ruhr,

Germany Application September 6, 1933, Serial No. 688,399

In Germany July 10, 1933 15 Claims.

My invention relates to metallic beverage delivering apparatussuch as portable siphons, beverage vending apparatus and like devices, and has for its object to provide apparatus of this class in a particularly suitable manner with a cooling means container by which a very quick cooling of the liquid to be delivered is obtained in a very simple and efucacious manner.

In order that my invention may be clearly understood and readily carried into effect, two preferred embodiments of the same are illustrated by way of example in the drawings which accompany and form part of this specification.

In these drawings Figure 1 is a vertical section of a portable siphon constructed in accordance with my invention, and s Figure 2 is a similar section of the other embodiment. 4

Referring first to Figure 1, by I is denoted the liquid container of the siphon, 2 is the pressure medium container and 3 is the container for the cooling means. The liquid container I is a substantially pot-shaped vessel, having a shell 4 and a bottom 5. The latter is vaulted downward soas to subside into. the shell 4 with an ample rounding. The shell 4 at top has a conical enlargement I which goes over into a plane flange 8 on which rests a corresponding flange III of the cover 9 of the liquid container. The cover 9 has mounted on it the tap valve II and the ascension pipe |2.

The pressure medium container 2 is of annular shape and forms a jacket around the liquid container I. It has an outer shell I3 which abuts by an outer flange I4 at the top thereof on the flange 8 of the liquid-container. A similar flange I5 is provided on the lower end of the. shell I3. Below the pressure medium container 2 is disposed the cooling means container 3 which likewise is of annular shape but has a bottom portion extending down to such an extent that also the bottom 5 of the liquid container is embraced by it. The pressure medium container 2 and the cooling means container 3 are separated from one another by an annular partition I6 which by an inner flange I1 is fixed to the shell 4 of the liquid container 2 by a resistance seam weld. The shell I8 of the cooling means container 3 at top has an outer flange |9.-,. The parts 5, I6, I9 as well as the flanges-l0, 8, l4 are interconnected by respective common resistance seam welds. The shell I8 extends downwardly beyond the bottom 5 of the liquid containerand with an ample curvature goes over into an inwardly projecting conical portion 20 and a plane flanged central portion 2|. The latter has an aperture '22 through which the cooling means can be introduced from outside and which is closed by a cover 23 fixed thereto by means or screw bolts and wing nuts 24 and tightened by means of a packing ring 25. All vital parts of the siphon are manufactured from stainless steel. 26 denotes the inlet valve for the pressure medium and 21 the valve by which the passage of the pressure 5 medium from the container 2 to the liquid cona tainer I can be regulated from outside.

The described siphon is remarkable for a very good appearance and byits manufacture being comparatively simple; v Furthermore, as the cool-' 10 ing means container surrounds the lower portion of the liquid container and also embraces thebottom 5 thereof from all sides, the liquid to be delivered'can be cooled particularly quickly and effectively at the place of withdrawal, that 5 is at the entrance end of the ascension pipe I2. This advantageous efiect is further increased by the bottom 5 of the liquid container being convex, whereby the further advantage is obtained that ordinary ice can be used as cooling means 20 which later on can float within the container 3. Instead of ordinary ice, dry ice can be used as cooling means. In this case, however, the wing nuts 24 mustnot be completely tightened, in order to enable the gaseous carbon dioxide 5 formed to escape through the bottom aperture 22.

Finally, the strength of the siphon body is considerably increased by the construction hereinbefore described. For, if the filled siphon is in a horizontal position, the weight of the full 30 liquid container is transmitted through the partition It to the outer shell I3, I8. This advantage is of particular importance with siphons of great capacity.

In the embodiment illustrated in Figure 2, the 35 liquid container 3| is formed by a substantially pot-shaped vessel 32 and is surrounded by an annular pressure medium container 33, the shell of which is denoted by 34. The bottom of the latter is inwardly bent and goes over into a coni- 40 cal flange with plane shoulder 35 and a cylindrical portion 36. This latter portion, at the top thereof, has an inwardly directed flange 3'1 by which it is connected by resistance seam welding 38 to the bottom 39 of the vessel 32 forming the 4.5

liquid container. The space 40 enclosed by the bottom 39 and cylindrical portion 35 constitutes the cooling means container. The bottom 39 has a central recess 4| which forms an extension of the liquid container 3| and projects into the cooling means container. The ascension pipe 5| of the siphonextends down into this recess 4|.

A nipple device 26 provides a means for charging the chamber 33 with a pressure medium.

The cooling means container 40' is closed at the bottom by means of an easily detachable cover 42, which is water-tightly fixed thereto by screw bolts 43 with wing nuts 44 arranged on the plane shoulder 35, a packing ring 45 being interposed between the cover 42'and shoulder 35. (50

Generally ordinary ice will be used as filling for the cooling means container 40. Preferably the remaining intermediate spaces are filled with Water in order to insure that, upon melting of the ice, the water level in the cooling chamber remains so high that the water at least is in contact with the cylindrical wall of the extension 4|.

'In order to permit also cooling by means of dry ice, a rubber tube valve is provided in the cover 42. This valve consists of a tubular socket 36 the longitudinal bore 41 of which is closed at bottom while its transverse bore 48 is shut oif by a rubber tube 49 slid onto the socket 46. The rubber tube has such a tension that the valve does not leak if ordinary ice is used, but the tension must not be too great in order that with dry ice the pressure in the chamber 40 becomes not too high and vaporization of the ice is not prevented.

Theshells 32 and 34 and the cover 50 of the siphon are interconnected by a resistance seam weld at the top.

Since the cooling chamber is disposed below the bottom of the liquid container, very quick cooling of the liquid to be delivered'is obtained. Furthermore, the construction of this second embodiment likewise is comparatively simple and its manufacture very easy and less expensive. These advantages would be achieved, at least in part, even if one would not provide a cooling means container rigidly connected to the siphon, and in lieu thereof, would extend the liquid container down to or nearly to the lower end of the pressure medium container and connect the shell of the latter with the liquid container in the described manner. In this case it is desirable to place the siphon, when it is to be cooled, in any flat cooling vessel.

What I claim and desire to secure by Letters Patent is:- i

1. A beverage deliveringv apparatus of the class described, comprising a liquid container, an annular pressure medium container surrounding the former, and a cooling means container disposed laterally of and below said liquid container, said last mentioned container being bounded by at least one portion of said pressure medium container.

2. A beverage delivering apparatus of the class described, comprising a liquid container, an annular pressure medium container surrounding the former, and a cooling means container disposed below said liquid container and embracing the entire bottom surface of the latter.

3. A beverage deliveringapparatus of the class described, comprising a liquid container having a convex bottom, an annular pressure medium container surrounding said liquid container, and a cooling 'means container disposed below the latter and embracing its entire bottom surface.

4. A beverage delivering apparatus of the class described, comprising a liquid container having a convex bottom, an annular pressure medium container surrounding said liquid container, and a cooling means container disposed below the latter and embracing its entire bottom surface, the bottom of the apparatus being bent inwardly and having an aperture and a detachable cover therefor, in order to give access to said cooling means container.

5. A beverage delivering apparatus of the class described, comprising a liquid container, an annular pressure medium container surrounding it, and a cooling means container disposed below said liquid container said pressure medium container and cooling means container being separated by an annular partition fixed by means 5 of an inner flange to said liquid container, the shells of said pressure medium container and cooling means container each abutting against said partition with an outer flange connected therewith by .resistance seam welding. 10

6. A beverage delivering apparatus of the class described, comprising a liquid container, an annular pressure medium container surrounding the former, and a cooling means container disposed below said liquid container so as to be in 5 contact only with the bottom of the latter.

7. A beverage delivering apparatus of the class described comprising a liquid container, an annular pressure medium container surrounding the former, and a cooling means container dis- 2() posed below said liquid container, so,as to be in contact with the bottom of the latter, said liquid container having an extension at the bottom thereof extending into said cooling means container. 5

8. A beverage delivering apparatus of the class described, comprising a liquid container, an annular pressure medium container surrounding the former, and a cooling means container d1.- posed below said liquid container so as to be 30 in contact only with the bottom of the latter, said pressure medium container extending downwardly to such an extent that its inner wall simultaneously forms the outer wall of said cooling means container. 5

9. A beverage delivering apparatus as specifled in claim 8 in which the shell of said cooling means container has an inner flange at the top thereof which is connected to the bottom of said liquid container. 40

. 10. A beverage delivering apparatus as specified in claim 8 in which the shell of said pressure medium container is formed by one single drawn piece.

11. A beverage delivering apparatus as speci- 45 fied in claim 6, comprising means for air-tightly closing said cooling means container.

12. A beverage delivering apparatus as; specifled in claim 6 comprising a safety escape valve on said cooling means container.

13. A beverage delivering apparatus as specified in claim 6 comprising a rubber tube escape valve on said cooling means container.

14. A beverage delivering apparatus of the class described, comprising a liquid container; 55 a jacket surrounding said container, and partition means between said jacket and said liquid container defining a pressure medium container and a cooling means container, said last mentioned container surrounding the lower portion 60 of said liquid container.

15. A beverage delivering apparatus of the class described, comprising a liquid container, 9. ,acket surrounding said container, and a bracing partitionbe'tween said jacket and said liquid container subdividing the space between said container and jacket into a pressure medium container and a cooling means container, said last mentioned container surrounding the lower portion of said liquid container.

MARTIN LOUIS. 

